<?php
/* Copyright (C) 2003-2007  Rodolphe Quiedeville    <rodolphe@quiedeville.org>
 * Copyright (C) 2004       Sebastien Di Cintio     <sdicintio@ressource-toi.org>
 * Copyright (C) 2004       Benoit Mortier          <benoit.mortier@opensides.be>
 * Copyright (C) 2004       Eric Seigne             <eric.seigne@ryxeo.com>
 * Copyright (C) 2005-2013  Laurent Destailleur     <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2012  Regis Houssin           <regis.houssin@capnetworks.com>
 * Copyright (C) 2014       Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * \file           htdocs/core/modules/DolibarrModules.class.php
 * \brief          File of parent class of module descriptor class files
 */


/**
 * Class DolibarrModules
 *
 * Parent class for module descriptor class files
 */
class DolibarrModules           // Can not be abstract, because we need to instantiate it into unActivateModule to be able to disable a module whose files were removed.
{
    /**
     * @var DoliDb Database handler
     */
    public $db;

    /**
     * @var int Module unique ID
     * @see https://wiki.dolibarr.org/index.php/List_of_modules_id
     */
    public $numero;

    /**
     * @var string Publisher name
     * @since 4.0.0
     */
    public $editor_name;
    
    /**
     * @var string URL of module at publisher site
     * @since 4.0.0
     */
    public $editor_url;
    
    /**
     * @var string Family
     * @see familyinfo
     *
     * Native values: 'crm', 'financial', 'hr', 'projects', 'products', 'ecm', 'technic', 'other'.
     * Use familyinfo to declare a custom value.
     */
    public $family;

    /**
     * @var array Custom family informations
     * @see family
     *
     * e.g.:
     * array(
     *     'myownfamily' => array(
     *         'position' => '001',
     *         'label' => $langs->trans("MyOwnFamily")
     *     )
     * );
     *
     */
    public $familyinfo;
    
    /**
     * @var int Module position
     * @since 3.9.0
     */
    public $module_position=500;
    
    /**
     * @var string Module name
     *
     * Only used if Module[ID]Name translation string is not found.
     *
     * You can use the following code to automatically derive it from your module's class name:
     * preg_replace('/^mod/i', '', get_class($this))
     */
    public $name;

    /**
     * @var string[] Paths to create when module is activated
     *
     * e.g.: array('/mymodule/temp')
     */
    public $dirs = array();

    /**
     * @var array Module boxes
     */
    public $boxes = array();

    /**
     * @var array Module constants
     */
    public $const = array();

    /**
     * @var array Module cron jobs entries
     */
    public $cronjobs = array();

    /**
     * @var array Module access rights
     */
    public $rights;

    /**
     * @var string Module access rights family
     */
    public $rights_class;

    /**
     * @var array Module menu entries
     */
    public $menu = array();

    /**
     * @var array Module parts
     *  array(
     *      // Set this to 1 if module has its own trigger directory (/mymodule/core/triggers)
     *      'triggers' => 0,
     *      // Set this to 1 if module has its own login method directory (/mymodule/core/login)
     *      'login' => 0,
     *      // Set this to 1 if module has its own substitution function file (/mymodule/core/substitutions)
     *      'substitutions' => 0,
     *      // Set this to 1 if module has its own menus handler directory (/mymodule/core/menus)
     *      'menus' => 0,
     *      // Set this to 1 if module has its own theme directory (/mymodule/theme)
     *      'theme' => 0,
     *      // Set this to 1 if module overwrite template dir (/mymodule/core/tpl)
     *      'tpl' => 0,
     *      // Set this to 1 if module has its own barcode directory (/mymodule/core/modules/barcode)
     *      'barcode' => 0,
     *      // Set this to 1 if module has its own models directory (/mymodule/core/modules/xxx)
     *      'models' => 0,
     *      // Set this to relative path of css file if module has its own css file
     *      'css' => '/mymodule/css/mymodule.css.php',
     *      // Set this to relative path of js file if module must load a js on all pages
     *      'js' => '/mymodule/js/mymodule.js',
     *      // Set here all hooks context managed by module
     *      'hooks' => array('hookcontext1','hookcontext2'),
     *      // Set here all workflow context managed by module
     *      'workflow' => array(
     *          'WORKFLOW_MODULE1_YOURACTIONTYPE_MODULE2' = >array(
     *              'enabled' => '! empty($conf->module1->enabled) && ! empty($conf->module2->enabled)',
     *              'picto'=>'yourpicto@mymodule'
     *          )
     *      )
     *  )
     */
    public $module_parts = array();

    /**
     * @var string Module documents ?
     * @deprecated Seems unused anywhere
     */
    public $docs;

    /**
     * @var string ?
     * @deprecated Seems unused anywhere
     */
    public $dbversion = "-";

    /**
     * @var string Error message
     */
    public $error;

    /**
     * @var string Module version
     * @see http://semver.org
     *
     * The following keywords can also be used:
     * 'development'
     * 'experimental'
     * 'dolibarr': only for core modules that share its version
     * 'dolibarr_deprecated': only for deprecated core modules
     *
     */
    public $version;

    /**
     * @var string Module description (short text)
     *
     * Only used if Module[ID]Desc translation string is not found.
     */
    public $description;

    /**
     * @var string Module description (long text)
     * @since 4.0.0
     *
     * HTML content supported.
     */
    public $descriptionlong;
    
    /**
     * @var string Module export code
     */
    public $export_code;

    /**
     * @var string Module export label
     */
    public $export_label;

    /**
     * @var string Module import code
     */
    public $import_code;

    /**
     * @var string Module import label
     */
    public $import_label;

    /**
     * @var string Module constant name
     */
    public $const_name;

    /**
     * @var bool Module can't be disabled
     */
    public $always_enabled;

    /**
     * @var bool Module is enabled globally (Multicompany support)
     */
    public $core_enabled;
    
    /**
     * @var string Relative path to module style sheet
     * @deprecated
     * @see module_parts
     */
    public $style_sheet = '';

	/**
	 * @var 0|1|2|3 Where to display the module in setup page
	 * @deprecated @since 4.0.0
	 * @see family
	 * @see familyinfo
	 *
	 * 0: common
	 * 1: interface
	 * 2: others
	 * 3: very specific
	 */
	public $special;

	/**
	 * @var string Name of image file used for this module
	 *
	 * If file is in theme/yourtheme/img directory under name object_pictoname.png use 'pictoname'
	 * If file is in module/img directory under name object_pictoname.png use 'pictoname@module'
	 */
	public $picto;

	/**
	 * @var string[] List of config pages
	 *
	 * Name of php pages stored into module/admin directory, used to setup module.
	 * e.g.: "admin.php@module"
	 */
	public $config_page_url;

	
	/**
	 * @var string[] List of module class names that must be enabled if this module is enabled.
	 *
	 * e.g.: array('modAnotherModule', 'modYetAnotherModule')
	 */
	public $depends;

	/**
	 * @var int[] List of module ids to disable if this one is disabled.
	 */
	public $requiredby;

	/**
	 * @var string[] List of module class names as string this module is in conflict with.
	 * @see depends
	 */
	public $conflictwith;

    /**
     * @var string[] Module language files
     */
    public $langfiles;
    
    /**
     * @var string[] Array of warnings to show when we activate the module
     * 
     * array('always'='text') or array('FR'='text')
     */
    public $warnings_activation;
    
    /**
     * @var string[] Array of warnings to show when we activate an external module
     * 
     * array('always'='text') or array('FR'='text')
     */
    public $warnings_activation_ext;
    
	
	/**
	 * @var array() Minimum version of PHP required by module.
	 * e.g.: PHP ≥ 5.3 = array(5, 3)
	 */
	public $phpmin;

	/**
	 * @var array Minimum version of Dolibarr required by module.
	 * e.g.: Dolibarr ≥ 3.6 = array(3, 6)
	 */
	public $need_dolibarr_version;

	/**
	 * @var bool Whether to hide the module.
	 */
	public $hidden = false;

	
	/**
	 * Constructor. Define names, constants, directories, boxes, permissions
	 *
	 * @param DoliDB		$db      Database handler
	 */
	public function __construct($db)
	{
		$this->db = $db;
	}
	// We should but can't set this as abstract because this will make dolibarr hang
	// after migration due to old module not implementing. We must wait PHP is able to make
	// a try catch on Fatal error to manage this correctly.
	// We need constructor into function unActivateModule into admin.lib.php

    /**
     * Enables a module.
     * Inserts all informations into database
     *
	 * @param   array  		$array_sql  SQL requests to be executed when enabling module
     * @param   string      $options    String with options when disabling module:
     *                                    'noboxes' = Do not insert boxes
     *                                    'newboxdefonly' = For boxes, insert def of boxes only and not boxes activation
     *
     * @return  int                         1 if OK, 0 if KO
     */
    function _init($array_sql, $options='')
    {
        global $conf;
        $err=0;

        $this->db->begin();

        // Insert activation module constant
        if (! $err) $err+=$this->_active();

        // Insert new pages for tabs (into llx_const)
        if (! $err) $err+=$this->insert_tabs();

        // Insert activation of module's parts
        if (! $err) $err+=$this->insert_module_parts();

        // Insert constant defined by modules (into llx_const)
        if (! $err) $err+=$this->insert_const();

        // Insert boxes def into llx_boxes_def and boxes setup (into llx_boxes)
        if (! $err && ! preg_match('/noboxes/',$options)) $err+=$this->insert_boxes($options);

        // Insert cron job entries (entry in llx_cronjobs)
        if (! $err) $err+=$this->insert_cronjobs();

        // Insert permission definitions of module into llx_rights_def. If user is admin, grant this permission to user.
        if (! $err) $err+=$this->insert_permissions(1, null, 1);

        // Insert specific menus entries into database
        if (! $err) $err+=$this->insert_menus();

        // Create module's directories
        if (! $err) $err+=$this->create_dirs();

        // Execute addons requests
        $num=count($array_sql);
        for ($i = 0; $i < $num; $i++)
        {
            if (! $err)
            {
                $val=$array_sql[$i];
                $sql=$val;
                $ignoreerror=0;
                if (is_array($val))
                {
                    $sql=$val['sql'];
                    $ignoreerror=$val['ignoreerror'];
                }
                // Add current entity id
                $sql=str_replace('__ENTITY__', $conf->entity, $sql);

                dol_syslog(get_class($this)."::_init ignoreerror=".$ignoreerror."", LOG_DEBUG);
                $result=$this->db->query($sql, $ignoreerror);
                if (! $result)
                {
                    if (! $ignoreerror)
                    {
                        $this->error=$this->db->lasterror();
                        $err++;
                    }
                    else
                    {
                        dol_syslog(get_class($this)."::_init Warning ".$this->db->lasterror(), LOG_WARNING);
                    }
                }
            }
        }

        // Return code
        if (! $err)
        {
            $this->db->commit();
            return 1;
        }
        else
        {
            $this->db->rollback();
            return 0;
        }
    }

    /**
     * Disable function. Deletes the module constant and boxes from the database.
     *
     * @param   string[]    $array_sql  SQL requests to be executed when module is disabled
     * @param   string      $options	Options when disabling module:
     *                                    'newboxdefonly|noboxes' = We don't remove boxes.
     *
     * @return  int                     1 if OK, 0 if KO
     */
    function _remove($array_sql, $options='')
    {
        $err=0;

        $this->db->begin();

        // Remove activation module line (constant MAIN_MODULE_MYMODULE in llx_const)
        if (! $err) $err+=$this->_unactive();

        // Remove activation of module's new tabs (MAIN_MODULE_MYMODULE_TABS_XXX in llx_const)
        if (! $err) $err+=$this->delete_tabs();

        // Remove activation of module's parts (MAIN_MODULE_MYMODULE_XXX in llx_const)
        if (! $err) $err+=$this->delete_module_parts();

        // Remove constants defined by modules
        if (! $err) $err+=$this->delete_const();

        // Remove list of module's available boxes (entry in llx_boxes)
        if (! $err && ! preg_match('/(newboxdefonly|noboxes)/',$options)) $err+=$this->delete_boxes();	// We don't have to delete if option ask to keep boxes safe or ask to add new box def only

        // Remove list of module's cron job entries (entry in llx_cronjobs)
        if (! $err) $err+=$this->delete_cronjobs();

        // Remove module's permissions from list of available permissions (entries in llx_rights_def)
        if (! $err) $err+=$this->delete_permissions();

        // Remove module's menus (entries in llx_menu)
        if (! $err) $err+=$this->delete_menus();

        // Remove module's directories
        if (! $err) $err+=$this->delete_dirs();

        // Run complementary sql requests
        $num=count($array_sql);
        for ($i = 0; $i < $num; $i++)
        {
            if (! $err)
            {
                dol_syslog(get_class($this)."::_remove", LOG_DEBUG);
                $result=$this->db->query($array_sql[$i]);
                if (! $result)
                {
                    $this->error=$this->db->error();
                    $err++;
                }
            }
        }

        // Return code
        if (! $err)
        {
            $this->db->commit();
            return 1;
        }
        else
        {
            $this->db->rollback();
            return 0;
        }
    }


    /**
     * Gives the translated module name if translation exists in admin.lang or into language files of module.
     * Otherwise return the module key name.
     *
     * @return  string  Translated module name
     */
    function getName()
    {
        global $langs;
        $langs->load("admin");

        if ($langs->trans("Module".$this->numero."Name") != ("Module".$this->numero."Name"))
        {
            // If module name translation exists
            return $langs->trans("Module".$this->numero."Name");
        }
        else
       {
            // If module name translation using it's unique id does not exists, we take use its name to find translation
            if (is_array($this->langfiles))
            {
                foreach($this->langfiles as $val)
                {
                    if ($val) $langs->load($val);
                }
            }
            return $langs->trans($this->name);
        }
    }


    /**
     * Gives the translated module description if translation exists in admin.lang or the default module description
     *
     * @return  string  Translated module description
     */
    function getDesc()
    {
        global $langs;
        $langs->load("admin");

        if ($langs->trans("Module".$this->numero."Desc") != ("Module".$this->numero."Desc"))
        {
            // If module description translation exists
            return $langs->trans("Module".$this->numero."Desc");
        }
        else
        {
            // If module description translation does not exist using its unique id, we can use its name to find translation
            if (is_array($this->langfiles))
            {
                foreach($this->langfiles as $val)
                {
                    if ($val) $langs->load($val);
                }
            }
            return $langs->trans($this->description);
        }
    }

    /**
     * Gives the long description of a module. First check README-la_LA.md then README.md
     * If not markdown files found, it return translated value of the key ->descriptionlong.
     *
     * @return  string  Long description of a module
     */
    function getDescLong()
    {
        global $langs;
        $langs->load("admin");
        
        include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
        include_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';

        $filefound= false;
        
        // Define path to file README.md. 
        // First check README-la_LA.md then README.md
        $pathoffile = dol_buildpath(strtolower($this->name).'/README-'.$langs->defaultlang.'.md', 0);
        if (dol_is_file($pathoffile))
        {
            $filefound = true;
        }
        if (! $filefound)
        {
            $pathoffile = dol_buildpath(strtolower($this->name).'/README.md', 0);
            if (dol_is_file($pathoffile))
            {
                $filefound = true;
            }
        }
        
        if ($filefound)     // Mostly for external modules
        {
            $content = file_get_contents($pathoffile);
    
            if ((float) DOL_VERSION >= 6.0)
            {
                @include_once DOL_DOCUMENT_ROOT.'/core/lib/parsemd.lib.php';
                $content = dolMd2Html($content, 'parsedown', array('doc/'=>dol_buildpath('cabinetmed/doc/', 1)));
            }
            else
            {
                $content = nl2br($content);
            }
        }
        else                // Mostly for internal modules
        {
            if (! empty($this->descriptionlong))
            {
                if (is_array($this->langfiles))
                {
                    foreach($this->langfiles as $val)
                    {
                        if ($val) $langs->load($val);
                    }
                }
            
                $content = $langs->trans($this->descriptionlong);
            }
        }
    
        return $content;
    }
    
    /**
     * Gives the publisher name
     *
     * @return  string  Publisher name
     */
    function getPublisher()
    {
        return $this->editor_name;
    }
    
    /**
     * Gives the publisher url
     *
     * @return  string  Publisher url
     */
    function getPublisherUrl()
    {
        return $this->editor_url;
    }
    
    /**
     * Gives module version (translated if param $translated is on)
     * For 'experimental' modules, gives 'experimental' translation
     * For 'dolibarr' modules, gives Dolibarr version
     *
     * @param   int     $translated     1=Special version keys are translated, 0=Special version keys are not translated
     * @return  string                  Module version
     */
    function getVersion($translated=1)
    {
        global $langs;
        $langs->load("admin");

        $ret='';

        $newversion=preg_replace('/_deprecated/','',$this->version);
        if ($newversion == 'experimental') $ret=($translated?$langs->trans("VersionExperimental"):$newversion);
        elseif ($newversion == 'development') $ret=($translated?$langs->trans("VersionDevelopment"):$newversion);
        elseif ($newversion == 'dolibarr') $ret=DOL_VERSION;
        elseif ($newversion) $ret=$newversion;
        else $ret=($translated?$langs->trans("VersionUnknown"):'unknown');

        if (preg_match('/_deprecated/',$this->version)) $ret.=($translated?' ('.$langs->trans("Deprecated").')':$this->version);
        return $ret;
    }


    /**
     * Tells if module is core or external
     *
     * @return  string  'core', 'external' or 'unknown'
     */
    function isCoreOrExternalModule()
    {
        if ($this->version == 'dolibarr' || $this->version == 'dolibarr_deprecated') return 'core';
        if (! empty($this->version) && ! in_array($this->version,array('experimental','development'))) return 'external';
        if (! empty($this->editor_name) || ! empty($this->editor_url)) return 'external';
        if ($this->numero >= 100000) return 'external';
        return 'unknown';
    }


    /**
     * Gives module related language files list
     *
     * @return  string[]    Language files list
     */
    function getLangFilesArray()
    {
        return $this->langfiles;
    }

    /**
     * Gives translated label of an export dataset
     *
     * @param   int     $r  Dataset index
     *
     * @return string       Translated databaset label
     */
    function getExportDatasetLabel($r)
    {
        global $langs;

        $langstring="ExportDataset_".$this->export_code[$r];
        if ($langs->trans($langstring) == $langstring)
        {
            // Translation not found
            return $langs->trans($this->export_label[$r]);
        }
        else
        {
            // Translation found
            return $langs->trans($langstring);
        }
    }


    /**
     * Gives translated label of an import dataset
     *
     * @param   int     $r  Dataset index
     *
     * @return  string      Translated dataset label
     */
    function getImportDatasetLabel($r)
    {
        global $langs;

        $langstring="ImportDataset_".$this->import_code[$r];
        //print "x".$langstring;
        if ($langs->trans($langstring) == $langstring)
        {
            // Translation not found
            return $langs->trans($this->import_label[$r]);
        }
        else
        {
            // Translation found
            return $langs->trans($langstring);
        }
    }

    
    /**
     * Gives the last date of activation
     *
     * @return  timestamp       Date of last activation
     */
    function getLastActivationDate()
    {
        global $conf;
        
        $sql = "SELECT tms FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." = '".$this->const_name."'";
        $sql.= " AND entity IN (0, ".$conf->entity.")";
        
        dol_syslog(get_class($this)."::getLastActiveDate", LOG_DEBUG);
        $resql=$this->db->query($sql);
        if (! $resql) $err++;
        else
        {
            $obj=$this->db->fetch_object($resql);
            if ($obj) return $this->db->jdate($obj->tms);
        }
        
        return '';
    }
    
    
    /**
     * Insert constants for module activation
     *
     * @return  int Error count (0 if OK)
     */
    function _active()
    {
        global $conf;

        $err = 0;

        // Common module
        $entity = ((! empty($this->always_enabled) || ! empty($this->core_enabled)) ? 0 : $conf->entity);

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." = '".$this->const_name."'";
        $sql.= " AND entity IN (0, ".$entity.")";

        dol_syslog(get_class($this)."::_active", LOG_DEBUG);
        $resql=$this->db->query($sql);
        if (! $resql) $err++;

        $sql = "INSERT INTO ".MAIN_DB_PREFIX."const (name,value,visible,entity) VALUES";
        $sql.= " (".$this->db->encrypt($this->const_name,1);
        $sql.= ",".$this->db->encrypt('1',1);
        $sql.= ",0,".$entity.")";

        dol_syslog(get_class($this)."::_active", LOG_DEBUG);
        $resql=$this->db->query($sql);
        if (! $resql) $err++;

        return $err;
    }


    /**
     * Module deactivation
     *
     * @return  int Error count (0 if OK)
     */
    function _unactive()
    {
        global $conf;

        $err = 0;

        // Common module
        $entity = ((! empty($this->always_enabled) || ! empty($this->core_enabled)) ? 0 : $conf->entity);

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." = '".$this->const_name."'";
        $sql.= " AND entity IN (0, ".$entity.")";

        dol_syslog(get_class($this)."::_unactive", LOG_DEBUG);
        $this->db->query($sql);

        return $err;
    }


    /**
     * Create tables and keys required by module.
     * Files module.sql and module.key.sql with create table and create keys
     * commands must be stored in directory reldir='/module/sql/'
     * This function is called by this->init
     *
     * @param   string  $reldir Relative directory where to scan files
     * @return  int             <=0 if KO, >0 if OK
     */
    function _load_tables($reldir)
    {
        global $conf;

        $error=0;
        $dirfound=0;

        if (empty($reldir)) return 1;

        include_once DOL_DOCUMENT_ROOT . '/core/lib/admin.lib.php';

        $ok = 1;
        foreach($conf->file->dol_document_root as $dirroot)
        {
            if ($ok)
            {
                $dir = $dirroot.$reldir;
                $ok = 0;

                $handle=@opendir($dir);         // Dir may not exists
                if (is_resource($handle))
                {
                    $dirfound++;

                    // Run llx_mytable.sql files, then llx_mytable_*.sql
                    $files = array();
                    while (($file = readdir($handle))!==false)
                    {
                        $files[] = $file;
                    }
                    sort($files);
                    foreach ($files as $file) 
                    {
                        if (preg_match('/\.sql$/i',$file) && ! preg_match('/\.key\.sql$/i',$file) && substr($file,0,4) == 'llx_' && substr($file,0,4) != 'data')
                        {
                            $result=run_sql($dir.$file,1,'',1);
                            if ($result <= 0) $error++;
                        }
                    }

                    rewinddir($handle);

                    // Run llx_mytable.key.sql files (Must be done after llx_mytable.sql) then then llx_mytable_*.key.sql
                    $files = array();
                    while (($file = readdir($handle))!==false)
                    {
                        $files[] = $file;
                    }
                    sort($files);
                    foreach ($files as $file) 
                    {
                        if (preg_match('/\.key\.sql$/i',$file) && substr($file,0,4) == 'llx_' && substr($file,0,4) != 'data')
                        {
                            $result=run_sql($dir.$file,1,'',1);
                            if ($result <= 0) $error++;
                        }
                    }

                    rewinddir($handle);

                    // Run data_xxx.sql files (Must be done after llx_mytable.key.sql)
                    $files = array();
                    while (($file = readdir($handle))!==false)
                    {
                        $files[] = $file;
                    }
                    sort($files);
                    foreach ($files as $file) 
                    {
                        if (preg_match('/\.sql$/i',$file) && ! preg_match('/\.key\.sql$/i',$file) && substr($file,0,4) == 'data')
                        {
                            $result=run_sql($dir.$file,1,'',1);
                            if ($result <= 0) $error++;
                        }
                    }

                    rewinddir($handle);

                    // Run update_xxx.sql files
                    $files = array();
                    while (($file = readdir($handle))!==false)
                    {
                        $files[] = $file;
                    }
                    sort($files);
                    foreach ($files as $file) 
                    {
                        if (preg_match('/\.sql$/i',$file) && ! preg_match('/\.key\.sql$/i',$file) && substr($file,0,6) == 'update')
                        {
                            $result=run_sql($dir.$file,1,'',1);
                            if ($result <= 0) $error++;
                        }
                    }

                    closedir($handle);
                }

                if ($error == 0)
                {
                    $ok = 1;
                }
            }
        }

        if (! $dirfound) dol_syslog("A module ask to load sql files into ".$reldir." but this directory was not found.", LOG_WARNING);
        return $ok;
    }


    /**
     * Adds boxes
     *
     * @param   string  $option Options when disabling module ('newboxdefonly'=insert only boxes definition)
     *
     * @return  int             Error count (0 if OK)
     */
    function insert_boxes($option='')
    {
        require_once DOL_DOCUMENT_ROOT . '/core/class/infobox.class.php';

        global $conf;

        $err=0;

        if (is_array($this->boxes))
        {
            $pos_name = InfoBox::getListOfPagesForBoxes();

            foreach ($this->boxes as $key => $value)
            {
                $file  = isset($this->boxes[$key]['file'])?$this->boxes[$key]['file']:'';
                $note  = isset($this->boxes[$key]['note'])?$this->boxes[$key]['note']:'';
                $enabledbydefaulton = isset($this->boxes[$key]['enabledbydefaulton'])?$this->boxes[$key]['enabledbydefaulton']:'Home';

            	if (empty($file)) $file  = isset($this->boxes[$key][1])?$this->boxes[$key][1]:'';	// For backward compatibility
                if (empty($note)) $note  = isset($this->boxes[$key][2])?$this->boxes[$key][2]:'';	// For backward compatibility

                // Search if boxes def already present
                $sql = "SELECT count(*) as nb FROM ".MAIN_DB_PREFIX."boxes_def";
                $sql.= " WHERE file = '".$this->db->escape($file)."'";
                $sql.= " AND entity = ".$conf->entity;
                if ($note) $sql.=" AND note ='".$this->db->escape($note)."'";

                dol_syslog(get_class($this)."::insert_boxes", LOG_DEBUG);
                $result=$this->db->query($sql);
                if ($result)
                {
                    $obj = $this->db->fetch_object($result);
                    if ($obj->nb == 0)
                    {
                        $this->db->begin();

                        if (! $err)
                        {
                            $sql = "INSERT INTO ".MAIN_DB_PREFIX."boxes_def (file, entity, note)";
                            $sql.= " VALUES ('".$this->db->escape($file)."', ";
                            $sql.= $conf->entity.", ";
                            $sql.= $note?"'".$this->db->escape($note)."'":"null";
                            $sql.= ")";

                            dol_syslog(get_class($this)."::insert_boxes", LOG_DEBUG);
                            $resql=$this->db->query($sql);
                            if (! $resql) $err++;

                        }
                        if (! $err && ! preg_match('/newboxdefonly/',$option))
                        {
                            $lastid=$this->db->last_insert_id(MAIN_DB_PREFIX."boxes_def","rowid");

                            foreach ($pos_name as $key2 => $val2)
                            {
                                //print 'key2='.$key2.'-val2='.$val2."<br>\n";
                            	if ($enabledbydefaulton && $val2 != $enabledbydefaulton) continue;		// Not enabled by default onto this page.

                                $sql = "INSERT INTO ".MAIN_DB_PREFIX."boxes (box_id,position,box_order,fk_user,entity)";
                                $sql.= " VALUES (".$lastid.", ".$key2.", '0', 0, ".$conf->entity.")";

                                dol_syslog(get_class($this)."::insert_boxes onto page ".$key2."=".$val2."", LOG_DEBUG);
                                $resql=$this->db->query($sql);
                                if (! $resql) $err++;
                            }
                        }

                        if (! $err)
                        {
                            $this->db->commit();
                        }
                        else
                        {
                            $this->error=$this->db->lasterror();
                            $this->db->rollback();
                        }
                    }
                    // else box already registered into database
                }
                else
              {
                    $this->error=$this->db->lasterror();
                    $err++;
                }
            }
        }

        return $err;
    }


    /**
     * Removes boxes
     *
     * @return  int Error count (0 if OK)
     */
    function delete_boxes()
    {
        global $conf;

        $err=0;

        if (is_array($this->boxes))
        {
            foreach ($this->boxes as $key => $value)
            {
                //$titre = $this->boxes[$key][0];
                $file  = $this->boxes[$key]['file'];
                //$note  = $this->boxes[$key][2];
                
                // TODO If the box is also included by another module and the other module is still on, we should not remove it.
                // For the moment, we manage this with hard coded exception
                //print "Remove box ".$file.'<br>';
                if ($file == 'box_graph_product_distribution.php')
                {
                    if (! empty($conf->produit->enabled) || ! empty($conf->service->enabled)) 
                    {
                        dol_syslog("We discard disabling of module ".$file." because another module still active require it.");
                        continue;
                    }
                }
                
                if (empty($file)) $file  = isset($this->boxes[$key][1])?$this->boxes[$key][1]:'';	// For backward compatibility

                if ($this->db->type == 'sqlite3') {
                    // sqlite doesn't support "USING" syntax.
                    // TODO: remove this dependency.
                    $sql = "DELETE FROM ".MAIN_DB_PREFIX."boxes ";
                    $sql .= "WHERE ".MAIN_DB_PREFIX."boxes.box_id IN (";
                    $sql .= "SELECT ".MAIN_DB_PREFIX."boxes_def.rowid ";
                    $sql .= "FROM ".MAIN_DB_PREFIX."boxes_def ";
                    $sql .= "WHERE ".MAIN_DB_PREFIX."boxes_def.file = '".$this->db->escape($file)."') ";
                    $sql .= "AND ".MAIN_DB_PREFIX."boxes.entity = ".$conf->entity;
                } else {
                    $sql = "DELETE FROM ".MAIN_DB_PREFIX."boxes";
                    $sql.= " USING ".MAIN_DB_PREFIX."boxes, ".MAIN_DB_PREFIX."boxes_def";
                    $sql.= " WHERE ".MAIN_DB_PREFIX."boxes.box_id = ".MAIN_DB_PREFIX."boxes_def.rowid";
                    $sql.= " AND ".MAIN_DB_PREFIX."boxes_def.file = '".$this->db->escape($file)."'";
                    $sql.= " AND ".MAIN_DB_PREFIX."boxes.entity = ".$conf->entity;
                }

                dol_syslog(get_class($this)."::delete_boxes", LOG_DEBUG);
                $resql=$this->db->query($sql);
                if (! $resql)
                {
                    $this->error=$this->db->lasterror();
                    $err++;
                }

                $sql = "DELETE FROM ".MAIN_DB_PREFIX."boxes_def";
                $sql.= " WHERE file = '".$this->db->escape($file)."'";
                $sql.= " AND entity = ".$conf->entity;

                dol_syslog(get_class($this)."::delete_boxes", LOG_DEBUG);
                $resql=$this->db->query($sql);
                if (! $resql)
                {
                    $this->error=$this->db->lasterror();
                    $err++;
                }
            }
        }

        return $err;
    }

    /**
     * Adds cronjobs
     *
     * @return  int             Error count (0 if OK)
     */
    function insert_cronjobs()
    {
        require_once DOL_DOCUMENT_ROOT . '/core/class/infobox.class.php';

        global $conf;

        $err=0;

        if (is_array($this->cronjobs))
        {
            foreach ($this->cronjobs as $key => $value)
            {
                $label  = isset($this->cronjobs[$key]['label'])?$this->cronjobs[$key]['label']:'';
                $jobtype  = isset($this->cronjobs[$key]['jobtype'])?$this->cronjobs[$key]['jobtype']:'';
                $class  = isset($this->cronjobs[$key]['class'])?$this->cronjobs[$key]['class']:'';
                $objectname  = isset($this->cronjobs[$key]['objectname'])?$this->cronjobs[$key]['objectname']:'';
                $method = isset($this->cronjobs[$key]['method'])?$this->cronjobs[$key]['method']:'';
                $command  = isset($this->cronjobs[$key]['command'])?$this->cronjobs[$key]['command']:'';
                $parameters  = isset($this->cronjobs[$key]['parameters'])?$this->cronjobs[$key]['parameters']:'';
                $comment = isset($this->cronjobs[$key]['comment'])?$this->cronjobs[$key]['comment']:'';
                $frequency = isset($this->cronjobs[$key]['frequency'])?$this->cronjobs[$key]['frequency']:'';
                $unitfrequency = isset($this->cronjobs[$key]['unitfrequency'])?$this->cronjobs[$key]['unitfrequency']:'';
                $status = isset($this->cronjobs[$key]['status'])?$this->cronjobs[$key]['status']:'';
                $priority = isset($this->cronjobs[$key]['priority'])?$this->cronjobs[$key]['priority']:'';
                $test = isset($this->cronjobs[$key]['test'])?$this->cronjobs[$key]['test']:'';                              // Line must be visible
                
                // Search if boxes def already present
                $sql = "SELECT count(*) as nb FROM ".MAIN_DB_PREFIX."cronjob";
                $sql.= " WHERE module_name = '".$this->db->escape($this->rights_class)."'";
                if ($class) $sql.= " AND classesname = '".$this->db->escape($class)."'";
                if ($objectname) $sql.= " AND objectname = '".$this->db->escape($objectname)."'";
                if ($method) $sql.= " AND methodename = '".$this->db->escape($method)."'";
                if ($command) $sql.= " AND command = '".$this->db->escape($command)."'";
                $sql.= " AND entity = ".$conf->entity;

                $now=dol_now();

                dol_syslog(get_class($this)."::insert_cronjobs", LOG_DEBUG);
                $result=$this->db->query($sql);
                if ($result)
                {
                    $obj = $this->db->fetch_object($result);
                    if ($obj->nb == 0)
                    {
                        $this->db->begin();

                        if (! $err)
                        {
                            $sql = "INSERT INTO ".MAIN_DB_PREFIX."cronjob (module_name, datec, datestart, label, jobtype, classesname, objectname, methodename, command, params, note,";
                            if(is_int($frequency)){ $sql.= ' frequency,'; }
                            if(is_int($unitfrequency)){ $sql.= ' unitfrequency,'; }
                            if(is_int($priority)){ $sql.= ' priority,'; }
                            if(is_int($status)){ $sql.= ' status,'; }
                            $sql.= " entity, test)";
                            $sql.= " VALUES (";
                            $sql.= "'".$this->db->escape($this->rights_class)."', ";
                            $sql.= "'".$this->db->idate($now)."', ";
                            $sql.= "'".$this->db->idate($now)."', ";
                            $sql.= "'".$this->db->escape($label)."', ";
                            $sql.= "'".$this->db->escape($jobtype)."', ";
                            $sql.= ($class?"'".$this->db->escape($class)."'":"null").",";
                            $sql.= ($objectname?"'".$this->db->escape($objectname)."'":"null").",";
                            $sql.= ($method?"'".$this->db->escape($method)."'":"null").",";
                            $sql.= ($command?"'".$this->db->escape($command)."'":"null").",";
                            $sql.= ($parameters?"'".$this->db->escape($parameters)."'":"null").",";
                            $sql.= ($comment?"'".$this->db->escape($comment)."'":"null").",";
                            if(is_int($frequency)){ $sql.= "'".$this->db->escape($frequency)."', "; }
                            if(is_int($unitfrequency)){ $sql.= "'".$this->db->escape($unitfrequency)."', "; }
                            if(is_int($priority)) {$sql.= "'".$this->db->escape($priority)."', ";}
                            if(is_int($status)){ $sql.= "'".$this->db->escape($status)."', "; }
                            $sql.= $conf->entity.",";
                            $sql.= "'".$this->db->escape($test)."'";
                            $sql.= ")";

                            dol_syslog(get_class($this)."::insert_cronjobs", LOG_DEBUG);
                            $resql=$this->db->query($sql);
                            if (! $resql) $err++;

                        }

                        if (! $err)
                        {
                            $this->db->commit();
                        }
                        else
                        {
                            $this->error=$this->db->lasterror();
                            $this->db->rollback();
                        }
                    }
                    // else box already registered into database
                }
                else
              {
                    $this->error=$this->db->lasterror();
                    $err++;
                }
            }
        }

        return $err;
    }


    /**
     * Removes boxes
     *
     * @return  int Error count (0 if OK)
     */
    function delete_cronjobs()
    {
        global $conf;

        $err=0;

        if (is_array($this->cronjobs))
        {
            $sql = "DELETE FROM ".MAIN_DB_PREFIX."cronjob";
            $sql.= " WHERE module_name = '".$this->db->escape($this->rights_class)."'";
            $sql.= " AND entity = ".$conf->entity;

            dol_syslog(get_class($this)."::delete_cronjobs", LOG_DEBUG);
            $resql=$this->db->query($sql);
            if (! $resql)
            {
                $this->error=$this->db->lasterror();
                $err++;
            }
        }

        return $err;
    }

    /**
     * Removes tabs
     *
     * @return  int Error count (0 if OK)
     */
    function delete_tabs()
    {
        global $conf;

        $err=0;

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." like '".$this->const_name."_TABS_%'";
        $sql.= " AND entity = ".$conf->entity;

        dol_syslog(get_class($this)."::delete_tabs", LOG_DEBUG);
        if (! $this->db->query($sql))
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }

    /**
     * Adds tabs
     *
     * @return int  Error count (0 if ok)
     */
    function insert_tabs()
    {
        global $conf;

        $err=0;

        if (! empty($this->tabs))
        {
            $i=0;
            foreach ($this->tabs as $key => $value)
            {
            	if (is_array($value) && count($value) == 0) continue;	// Discard empty arrays

            	$entity=$conf->entity;
            	$newvalue = $value;

            	if (is_array($value))
            	{
            		$newvalue = $value['data'];
            		if (isset($value['entity'])) $entity = $value['entity'];
            	}

                if ($newvalue)
                {
                    $sql = "INSERT INTO ".MAIN_DB_PREFIX."const (";
                    $sql.= "name";
                    $sql.= ", type";
                    $sql.= ", value";
                    $sql.= ", note";
                    $sql.= ", visible";
                    $sql.= ", entity";
                    $sql.= ")";
                    $sql.= " VALUES (";
                    $sql.= $this->db->encrypt($this->const_name."_TABS_".$i,1);
                    $sql.= ", 'chaine'";
                    $sql.= ", ".$this->db->encrypt($value,1);
                    $sql.= ", null";
                    $sql.= ", '0'";
                    $sql.= ", ".$conf->entity;
                    $sql.= ")";

                    dol_syslog(get_class($this)."::insert_tabs", LOG_DEBUG);
                    $this->db->query($sql);
                }
                $i++;
            }
        }
        return $err;
    }

    /**
     * Adds constants
     *
     * @return  int Error count (0 if OK)
     */
    function insert_const()
    {
        global $conf;

        $err=0;

        if (empty($this->const)) return 0;

        foreach ($this->const as $key => $value)
        {
            $name      = $this->const[$key][0];
            $type      = $this->const[$key][1];
            $val       = $this->const[$key][2];
            $note      = isset($this->const[$key][3])?$this->const[$key][3]:'';
            $visible   = isset($this->const[$key][4])?$this->const[$key][4]:0;
            $entity    = (! empty($this->const[$key][5]) && $this->const[$key][5]!='current')?0:$conf->entity;

            // Clean
            if (empty($visible)) $visible='0';
            if (empty($val)) $val='';

            $sql = "SELECT count(*)";
            $sql.= " FROM ".MAIN_DB_PREFIX."const";
            $sql.= " WHERE ".$this->db->decrypt('name')." = '".$name."'";
            $sql.= " AND entity = ".$entity;

            $result=$this->db->query($sql);
            if ($result)
            {
                $row = $this->db->fetch_row($result);

                if ($row[0] == 0)   // If not found
                {
                    $sql = "INSERT INTO ".MAIN_DB_PREFIX."const (name,type,value,note,visible,entity)";
                    $sql.= " VALUES (";
                    $sql.= $this->db->encrypt($name,1);
                    $sql.= ",'".$type."'";
                    $sql.= ",".($val?$this->db->encrypt($val,1):"''");
                    $sql.= ",".($note?"'".$this->db->escape($note)."'":"null");
                    $sql.= ",'".$visible."'";
                    $sql.= ",".$entity;
                    $sql.= ")";


                    dol_syslog(get_class($this)."::insert_const", LOG_DEBUG);
                    if (! $this->db->query($sql) )
                    {
                        $err++;
                    }
                }
                else
                {
                    dol_syslog(get_class($this)."::insert_const constant '".$name."' already exists", LOG_WARNING);
                }
            }
            else
            {
                $err++;
            }
        }

        return $err;
    }

    /**
     * Removes constants tagged 'deleteonunactive'
     *
     * @return  int <0 if KO, 0 if OK
     */
    function delete_const()
    {
        global $conf;

        $err=0;

        if (empty($this->const)) return 0;

        foreach ($this->const as $key => $value)
        {
            $name      = $this->const[$key][0];
            $deleteonunactive = (! empty($this->const[$key][6]))?1:0;

            if ($deleteonunactive)
            {
                $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
                $sql.= " WHERE ".$this->db->decrypt('name')." = '".$name."'";
                $sql.= " AND entity in (0, ".$conf->entity.")";
                dol_syslog(get_class($this)."::delete_const", LOG_DEBUG);
                if (! $this->db->query($sql))
                {
                    $this->error=$this->db->lasterror();
                    $err++;
                }
            }
        }

        return $err;
    }

    /**
     * Adds access rights
     *
     * @param   int $reinitadminperms   If 1, we also grant them to all admin users
     * @param   int $force_entity       Force current entity
     * @param   int	$notrigger			1=Does not execute triggers, 0= execute triggers
     * @return  int                     Error count (0 if OK)
     */
    function insert_permissions($reinitadminperms=0, $force_entity=null, $notrigger=0)
    {
        global $conf,$user;

        $err=0;
        $entity=(! empty($force_entity) ? $force_entity : $conf->entity);

        // Test if module is activated
        $sql_del = "SELECT ".$this->db->decrypt('value')." as value";
        $sql_del.= " FROM ".MAIN_DB_PREFIX."const";
        $sql_del.= " WHERE ".$this->db->decrypt('name')." = '".$this->const_name."'";
        $sql_del.= " AND entity IN (0,".$entity.")";

        dol_syslog(get_class($this)."::insert_permissions", LOG_DEBUG);
        $resql=$this->db->query($sql_del);

        if ($resql)
        {
            $obj=$this->db->fetch_object($resql);
            if ($obj !== null && ! empty($obj->value) && ! empty($this->rights))
            {
                // If the module is active
                foreach ($this->rights as $key => $value)
                {
                    $r_id       = $this->rights[$key][0];
                    $r_desc     = $this->rights[$key][1];
                    $r_type     = isset($this->rights[$key][2])?$this->rights[$key][2]:'';
                    $r_def      = $this->rights[$key][3];
                    $r_perms    = $this->rights[$key][4];
                    $r_subperms = isset($this->rights[$key][5])?$this->rights[$key][5]:'';
                    $r_modul    = $this->rights_class;

                    if (empty($r_type)) $r_type='w';

                    // Search if perm already present
                    $sql = "SELECT count(*) as nb FROM ".MAIN_DB_PREFIX."rights_def";
                    $sql.= " WHERE id = ".$r_id." AND entity = ".$entity;
                    $resqlselect=$this->db->query($sql);

                    $obj = $this->db->fetch_object($resqlselect);
                    if ($obj->nb == 0)
                    {
                        if (dol_strlen($r_perms) )
                        {
                            if (dol_strlen($r_subperms) )
                            {
                                $sql = "INSERT INTO ".MAIN_DB_PREFIX."rights_def";
                                $sql.= " (id, entity, libelle, module, type, bydefault, perms, subperms)";
                                $sql.= " VALUES ";
                                $sql.= "(".$r_id.",".$entity.",'".$this->db->escape($r_desc)."','".$r_modul."','".$r_type."',".$r_def.",'".$r_perms."','".$r_subperms."')";
                            }
                            else
                            {
                                $sql = "INSERT INTO ".MAIN_DB_PREFIX."rights_def";
                                $sql.= " (id, entity, libelle, module, type, bydefault, perms)";
                                $sql.= " VALUES ";
                                $sql.= "(".$r_id.",".$entity.",'".$this->db->escape($r_desc)."','".$r_modul."','".$r_type."',".$r_def.",'".$r_perms."')";
                            }
                        }
                        else
                        {
                            $sql = "INSERT INTO ".MAIN_DB_PREFIX."rights_def ";
                            $sql .= " (id, entity, libelle, module, type, bydefault)";
                            $sql .= " VALUES ";
                            $sql .= "(".$r_id.",".$entity.",'".$this->db->escape($r_desc)."','".$r_modul."','".$r_type."',".$r_def.")";
                        }

                        $resqlinsert=$this->db->query($sql,1);

                        if (! $resqlinsert)
                        {
                            if ($this->db->errno() != "DB_ERROR_RECORD_ALREADY_EXISTS")
                            {
                                $this->error=$this->db->lasterror();
                                $err++;
                                break;
                            }
                            else dol_syslog(get_class($this)."::insert_permissions record already exists", LOG_INFO);

                        }

                        $this->db->free($resqlinsert);
                    }

                    $this->db->free($resqlselect);

                    // If we want to init permissions on admin users
                    if ($reinitadminperms)
                    {
                        if (! class_exists('User')) {
                            require_once DOL_DOCUMENT_ROOT . '/user/class/user.class.php';
                        }
                        $sql="SELECT rowid FROM ".MAIN_DB_PREFIX."user WHERE admin = 1";
                        dol_syslog(get_class($this)."::insert_permissions Search all admin users", LOG_DEBUG);
                        $resqlseladmin=$this->db->query($sql,1);
                        if ($resqlseladmin)
                        {
                            $num=$this->db->num_rows($resqlseladmin);
                            $i=0;
                            while ($i < $num)
                            {
                                $obj2=$this->db->fetch_object($resqlseladmin);
                                dol_syslog(get_class($this)."::insert_permissions Add permission to user id=".$obj2->rowid);
                                $tmpuser=new User($this->db);
                                $tmpuser->fetch($obj2->rowid);
                                if (!empty($tmpuser->id)) {
                                    $tmpuser->addrights($r_id, '', '', 0, 1);
                                }
                                $i++;
                            }
                            if (! empty($user->admin))  // Reload permission for current user if defined
                            {
                                // We reload permissions
                                $user->clearrights();
                                $user->getrights();
                            }
                        }
                        else dol_print_error($this->db);
                    }
                }
            }
            $this->db->free($resql);
        }
        else
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }


    /**
     * Removes access rights
     * 
     * @return  int                     Error count (0 if OK)
     */
    function delete_permissions()
    {
        global $conf;

        $err=0;

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."rights_def";
        $sql.= " WHERE module = '".$this->rights_class."'";
        $sql.= " AND entity = ".$conf->entity;
        dol_syslog(get_class($this)."::delete_permissions", LOG_DEBUG);
        if (! $this->db->query($sql))
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }


    /**
     * Adds menu entries
     *
     * @return  int     Error count (0 if OK)
     */
    function insert_menus()
    {
        global $user;

        if (! is_array($this->menu) || empty($this->menu)) return 0;
        
        require_once DOL_DOCUMENT_ROOT . '/core/class/menubase.class.php';

        $err=0;

        $this->db->begin();

        foreach ($this->menu as $key => $value)
        {
            $menu = new Menubase($this->db);
            $menu->menu_handler='all';
            $menu->module=$this->rights_class;
            if (! $this->menu[$key]['fk_menu'])
            {
                $menu->fk_menu=0;
            }
            else
            {
                $foundparent=0;
                $fk_parent=$this->menu[$key]['fk_menu'];
                if (preg_match('/^r=/',$fk_parent))	// old deprecated method
                {
                    $fk_parent=str_replace('r=','',$fk_parent);
                    if (isset($this->menu[$fk_parent]['rowid']))
                    {
                        $menu->fk_menu=$this->menu[$fk_parent]['rowid'];
                        $foundparent=1;
                    }
                }
                elseif (preg_match('/^fk_mainmenu=([a-zA-Z0-9_]+),fk_leftmenu=([a-zA-Z0-9_]+)$/',$fk_parent,$reg))
                {
                    $menu->fk_menu=-1;
                    $menu->fk_mainmenu=$reg[1];
                    $menu->fk_leftmenu=$reg[2];
                    $foundparent=1;
                }
                elseif (preg_match('/^fk_mainmenu=([a-zA-Z0-9_]+)$/',$fk_parent,$reg))
                {
                    $menu->fk_menu=-1;
                    $menu->fk_mainmenu=$reg[1];
                    $menu->fk_leftmenu='';
                    $foundparent=1;
                }
                if (! $foundparent)
                {
                    $this->error="ErrorBadDefinitionOfMenuArrayInModuleDescriptor";
                    dol_syslog(get_class($this)."::insert_menus ".$this->error." ".$this->menu[$key]['fk_menu'], LOG_ERR);
                    $err++;
                }
            }
            $menu->type=$this->menu[$key]['type'];
            $menu->mainmenu=isset($this->menu[$key]['mainmenu'])?$this->menu[$key]['mainmenu']:(isset($menu->fk_mainmenu)?$menu->fk_mainmenu:'');
            $menu->leftmenu=isset($this->menu[$key]['leftmenu'])?$this->menu[$key]['leftmenu']:'';
            $menu->titre=$this->menu[$key]['titre'];
            $menu->url=$this->menu[$key]['url'];
            $menu->langs=$this->menu[$key]['langs'];
            $menu->position=$this->menu[$key]['position'];
            $menu->perms=$this->menu[$key]['perms'];
            $menu->target=$this->menu[$key]['target'];
            $menu->user=$this->menu[$key]['user'];
            $menu->enabled=isset($this->menu[$key]['enabled'])?$this->menu[$key]['enabled']:0;
            $menu->position=$this->menu[$key]['position'];

            if (! $err)
            {
                $result=$menu->create($user);	// Save menu entry into table llx_menu
                if ($result > 0)
                {
                    $this->menu[$key]['rowid']=$result;
                }
                else
                {
                    $this->error=$menu->error;
                    dol_syslog(get_class($this).'::insert_menus result='.$result." ".$this->error, LOG_ERR);
                    $err++;
                    break;
                }
            }
        }

        if (! $err)
        {
            $this->db->commit();
        }
        else
        {
            dol_syslog(get_class($this)."::insert_menus ".$this->error, LOG_ERR);
            $this->db->rollback();
        }

        return $err;
    }


    /**
     * Removes menu entries
     *
     * @return  int Error count (0 if OK)
     */
    function delete_menus()
    {
        global $conf;

        $err=0;

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."menu";
        $sql.= " WHERE module = '".$this->db->escape($this->rights_class)."'";
        $sql.= " AND entity = ".$conf->entity;

        dol_syslog(get_class($this)."::delete_menus", LOG_DEBUG);
        $resql=$this->db->query($sql);
        if (! $resql)
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }

    /**
     * Creates directories
     *
     * @return  int Error count (0 if OK)
     */
    function create_dirs()
    {
        global $langs, $conf;

        $err=0;

        if (isset($this->dirs) && is_array($this->dirs))
        {
            foreach ($this->dirs as $key => $value)
            {
                $addtodatabase=0;

                if (! is_array($value)) $dir=$value;    // Default simple mode
                else {
                    $constname = $this->const_name."_DIR_";
                    $dir       = $this->dirs[$key][1];
                    $addtodatabase = empty($this->dirs[$key][2])?'':$this->dirs[$key][2]; // Create constante in llx_const
                    $subname   = empty($this->dirs[$key][3])?'':strtoupper($this->dirs[$key][3]); // Add submodule name (ex: $conf->module->submodule->dir_output)
                    $forcename = empty($this->dirs[$key][4])?'':strtoupper($this->dirs[$key][4]); // Change the module name if different

                    if (! empty($forcename)) $constname = 'MAIN_MODULE_'.$forcename."_DIR_";
                    if (! empty($subname))   $constname = $constname.$subname."_";

                    $name = $constname.strtoupper($this->dirs[$key][0]);
                }

                // Define directory full path ($dir must start with "/")
                if (empty($conf->global->MAIN_MODULE_MULTICOMPANY) || $conf->entity == 1) $fulldir = DOL_DATA_ROOT.$dir;
                else $fulldir = DOL_DATA_ROOT."/".$conf->entity.$dir;
                // Create dir if it does not exists
                if (! empty($fulldir) && ! file_exists($fulldir))
                {
                    if (dol_mkdir($fulldir, DOL_DATA_ROOT) < 0)
                    {
                        $this->error = $langs->trans("ErrorCanNotCreateDir",$fulldir);
                        dol_syslog(get_class($this)."::_init ".$this->error, LOG_ERR);
                        $err++;
                    }
                }

                // Define the constant in database if requested (not the default mode)
                if (! empty($addtodatabase))
                {
                    $result = $this->insert_dirs($name, $dir);
                    if ($result) $err++;
                }
            }
        }

        return $err;
    }


    /**
     * Adds directories definitions
     *
     * @param   string  $name   Name
     * @param   string  $dir    Directory
     *
     * @return  int             Error count (0 if OK)
     */
    function insert_dirs($name,$dir)
    {
        global $conf;

        $err=0;

        $sql = "SELECT count(*)";
        $sql.= " FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." = '".$name."'";
        $sql.= " AND entity = ".$conf->entity;

        dol_syslog(get_class($this)."::insert_dirs", LOG_DEBUG);
        $result=$this->db->query($sql);
        if ($result)
        {
            $row = $this->db->fetch_row($result);

            if ($row[0] == 0)
            {
                $sql = "INSERT INTO ".MAIN_DB_PREFIX."const (name,type,value,note,visible,entity)";
                $sql.= " VALUES (".$this->db->encrypt($name,1).",'chaine',".$this->db->encrypt($dir,1).",'Directory for module ".$this->name."','0',".$conf->entity.")";

                dol_syslog(get_class($this)."::insert_dirs", LOG_DEBUG);
                $this->db->query($sql);
            }
        }
        else
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }


    /**
     * Removes directories
     *
     * @return  int Error count (0 if OK)
     */
    function delete_dirs()
    {
        global $conf;

        $err=0;

        $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
        $sql.= " WHERE ".$this->db->decrypt('name')." LIKE '".$this->const_name."_DIR_%'";
        $sql.= " AND entity = ".$conf->entity;

        dol_syslog(get_class($this)."::delete_dirs", LOG_DEBUG);
        if (! $this->db->query($sql))
        {
            $this->error=$this->db->lasterror();
            $err++;
        }

        return $err;
    }

    /**
     * Adds generic parts
     *
     * @return  int Error count (0 if OK)
     */
    function insert_module_parts()
    {
        global $conf;

        $error=0;

        if (is_array($this->module_parts) && ! empty($this->module_parts))
        {
            foreach($this->module_parts as $key => $value)
            {
    			if (is_array($value) && count($value) == 0) continue;	// Discard empty arrays

    			$entity=$conf->entity; // Reset the current entity
    			$newvalue = $value;

    			// Serialize array parameters
    			if (is_array($value))
    			{
    				// Can defined other parameters
    				if (is_array($value['data']) && ! empty($value['data']))
    				{
    					$newvalue = json_encode($value['data']);
    					if (isset($value['entity'])) $entity = $value['entity'];
    				}
    				else if (isset($value['data']) && !is_array($value['data']))
    				{
    					$newvalue = $value['data'];
    					if (isset($value['entity'])) $entity = $value['entity'];
    				}
    				else
    				{
    					$newvalue = json_encode($value);
    				}
    			}

                $sql = "INSERT INTO ".MAIN_DB_PREFIX."const (";
                $sql.= "name";
                $sql.= ", type";
                $sql.= ", value";
                $sql.= ", note";
                $sql.= ", visible";
                $sql.= ", entity";
                $sql.= ")";
                $sql.= " VALUES (";
                $sql.= $this->db->encrypt($this->const_name."_".strtoupper($key), 1);
                $sql.= ", 'chaine'";
                $sql.= ", ".$this->db->encrypt($newvalue, 1);
                $sql.= ", null";
                $sql.= ", '0'";
                $sql.= ", ".$entity;
                $sql.= ")";

                dol_syslog(get_class($this)."::insert_const_".$key."", LOG_DEBUG);
                $resql=$this->db->query($sql,1);
                if (! $resql)
                {
                    if ($this->db->lasterrno() != 'DB_ERROR_RECORD_ALREADY_EXISTS')
                    {
                        $error++;
                        $this->error=$this->db->lasterror();
                    }
                    else
                    {
                        dol_syslog(get_class($this)."::insert_const_".$key." Record already exists.", LOG_WARNING);
                    }
                }
            }
        }
        return $error;
    }

    /**
     * Removes generic parts
     *
     * @return  int Error count (0 if OK)
     */
    function delete_module_parts()
    {
        global $conf;

        $err=0;
        $entity=$conf->entity;

        if (is_array($this->module_parts) && ! empty($this->module_parts))
        {
            foreach($this->module_parts as $key => $value)
            {
                // If entity is defined
                if (is_array($value) && isset($value['entity'])) $entity = $value['entity'];

                $sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
                $sql.= " WHERE ".$this->db->decrypt('name')." LIKE '".$this->const_name."_".strtoupper($key)."'";
                $sql.= " AND entity = ".$entity;

                dol_syslog(get_class($this)."::delete_const_".$key."", LOG_DEBUG);
                if (! $this->db->query($sql))
                {
                    $this->error=$this->db->lasterror();
                    $err++;
                }
            }
        }
        return $err;
    }

	/**
	 * Function called when module is enabled.
	 * The init function adds tabs, constants, boxes, permissions and menus (defined in constructor) into Dolibarr database.
	 * It also creates data directories
	 *
	 * @param string $options   Options when enabling module ('', 'newboxdefonly', 'noboxes')
     *                          'noboxes' = Do not insert boxes
     *                          'newboxdefonly' = For boxes, insert def of boxes only and not boxes activation
	 * @return int				1 if OK, 0 if KO
	 */
	public function init($options = '')
	{
		return $this->_init(array(), $options);
	}

	/**
	 * Function called when module is disabled.
	 * The remove function removes tabs, constants, boxes, permissions and menus from Dolibarr database.
	 * Data directories are not deleted
	 *
	 * @param      string	$options    Options when enabling module ('', 'noboxes')
	 * @return     int             		1 if OK, 0 if KO
	 */
	public function remove($options = '')
	{
		return $this->_remove(array(), $options);
	}

}
